Spray-nozzle.



L. H. MINER.

SPRAY NOZZLE.

APPLICATION FILED sEPLzqIv 1917.

Pat'ed sept. 17,1918.

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TED sTATEs PATENT orme LOUIS H. MINEB, 0F HAVERHILL, MASSACHUSETTS..

SPRAY-NOZZLE.

To all whom 'it may concern:

Be it known that I, Louis I-I. lVIINER, a citizen of the United States, and resident of Haverhill, in the county of Essex and State of Massachusetts, have invented new and useful Improvements in Spray-Nozzles, of Whichthe following is a specification.

This invention relates to sprinkler nozzles and more particularly to sprinkler nozzles for wagonsv employed for the purpose of sprinkling oil or tar or other more or less heavy liquid upon a roadway. The principal objects of the invention are to sprinkle liquid over a comparatively large area, to distribute the liquid uniformly, to produce a uniform overlapping of spray when employing two or more sprinklers 1n spaced relationship, to render the adjustment of such apparatus easy and rapid, to regulate accurately the amount of liquid emitted, andto provide mechanism which may be readily cleaned and which may be easily maniputo pass, a cap member adjustably mounted on the forward end of the body, the cap member having an opening in its forward end, and means for spraying theliquid outwardly from the nozzle. The latter means comprises a flaring orifice extendin forwardly and outwardly from the opening in the cap and a rod having a flaringhead disposed in the orice. The rod is fiXedly mounted in the body portion of the s rinkler and extends forwardly through t e cap member into the orifice.

An important feature of the invention is that the head on the rod extends radially beyond the periphery of the opening in the cap so that the liquid passing through the opening is defiected outwardly. Another important feature of the invention consists in that the flaring orifice extends substanvthe manner of adjusting the' size of the space between the head and the orifice so as to regulate the amount of liquid emitted. My preferred method of securing this adjustment consists in threading the cap mem- Specication of Letters Igatent. Patented Sept. 17, 1918."

v Application'led September 29, 1917. Serial No. 193,945. i

ber on the body member so that it may be moved along the axis of the body member, thereby to vary its position relatively to the head.

In order to more clearly disclose my invention I have illustrated a concrete embodiment thereof in the accompanying drawings, in Which,-

Figure 1 is a central longitudinal section through the apparatus;

Fig. 2 is a front elevation; and

Fig. 3 is a rear elevation of the apparatus.

The particular embodiment of the invention chosen for the purpose of illustration comprises a tubular body 1, a cup-shaped cap 2 threaded on the outside of the tubular body, a Haring orifice 3 at the forward end of the cap, and a rod 4 having a flaring head 5 disposed in the orifice 3. The rod 4 is threaded into a tubular member 6 which is mounted in the body v1 by means of radial arms 7. The rod 4 is provided with a shoulder 8 so that it may be xedly secured in the tubular member 6. A lock nut 9 is provided to lock the cap 2 in position on the body 1.

. than the minimum diameter of the orifice 3,

so that the flaring surface of the head extends along the flaring surface of the orifice, thereby causing all of the liquid passing through the orifice to spread out in the form f a conical spray.i To adjust the rate of flow of the liquid the lock nut 9 is loosened and the cap is adjusted along the body l, the lock nut .9 then being tightened to hold the cap in fixed position.

With my improved'construction the spray is so distributedin the form of a conical stream that when using two or more of the nozzles side by side in spaced relationship as is common on road sprinklers, the overlapping spray will produce a uniform distribution of material. By making the cap 2 adjustable instead of the spreader 5, the apparatus can be more readily adjusted. Road sprinkler nozzles are of considerable size and therefore more or less difficult to manipulate, especially after they get gummed up with tar or other viscous material, but with my improved apparatus a wrench may be applied to the hexagonal base 11 of cap 2 so as easily and accurately to regulate the size of the outlet. Obviously the exact shape of the head 5 may be varied to vary the shape of the projected stream, as for example, to adjust the stream for a given distance from the nozzle to the roadbed.

'hile my improved nozzle is particularly useful for sprinkling oil or tar or other more or less heavy liquid upon a roadway it is in'nowise limited to this use.' On the contrary it is adapted, for example, to be used in cooling water or other liquid, inasmuch as it causes the liquid to spread in a thin sheet and thus expose a large area per unit volume; also as a fire extinguisher, 0W- ing to the fact that it is capable of covering a large area with a small amount of Water; and also as a cement gun.

I claim:

1. A nozzle for spraying tar and other heavy liquids comprising a tubular body portion, a cup-shaped cap threaded on the Laveno@ end of the tubularibody, the cap having an outwardly flaring orifice in axial alinement with the tubular body, a rod mounted along the axis of the tubular body,\"=and a flaring head on the rod, the flaring head being disposed substantially Wholly Within the fiaring orifice.

2. A nozzle for spraying tar and other heavy liquids comprising a tubular body portion, acup-shaped cap threaded on the end of the tubular body, the cap having an outwardly Haring orifice in axial alinement With the tubular body, a rod mounted along the axis of the tubular body, and a flaring head on the rod, the Haring head being disposed substantially Wholly Within the flaring orifice, and flaring less than the orifice.

Signed by me at Marlboro, Massachusetts, this fifteenth day of September, 1917.

i Louis H. MINER. 

